#include "common.h"
#include "lock.h"


int lock_reg(int fd,int cmd,int type,off_t offset,int whence,off_t len) {
	
	struct flock lock;

	lock.l_type = type;
	lock.l_start = offset;
	lock.l_whence = whence;
	lock.l_len = len;

	return (fcntl(fd,cmd,&lock));
}
